/Engine/Source/Runtime/MovieSceneTracks/Public/Systems/WeightAndEasingEvaluatorSystem.h
System that creates hierarchical easing channels for any newly introduced HierarchicalEasingProvider components
class UMovieSceneHierarchicalEasingInstantiatorSystem : public [UMovieSceneEntityInstantiatorSystem](API\Runtime\MovieScene\EntitySystem\UMovieSceneEntityInstantiatorSys-)